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Modulational Instability of Dust Ion Acoustic Waves in a Collisional Dusty Plasma
Authors:XUE Ju-Kui
Affiliation:College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou ,730070, China
Abstract:The modulational instability of dust ion acoustic waves in a dust plasma with ion-dust collision effects is studied. Using the perturbation method, a modified nonlinear Schrodinger equation contains a damping term that comes from the effect of the ion-dust collision is derived. It is found that the inclusion of the ion-dust collision would modify the modulational instability of the wave packet and could not admit any stationary envelope solitary waves.
Keywords:dust plasma   ion-dust collision
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